use up1（及物，可分）用完，耗尽
I have used up my sugar.我的糖已吃完了。
Dave used up all his bank savings to buy a car.戴夫用他的全部存款买了一辆汽车。
They used all their strength up to climb out.他们用尽力气，想爬出来。
My money has all been used up，but I hate to borrow money from anyone.我的钱都花光了，但谁的钱我也不愿意借。
use up2（及物，可分）使筋疲力尽
The girls were used up with transplanting rice seedlings.姑娘们插秧累坏了。
After having an outing at Hot Spring，we were used up.我们在温泉游玩以后，都筋疲力尽了。